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Finding the Fourth Proportional to 3,674.84, 5,512.22 and 901.50

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Solution

The fourth proportional to 3,674.84, 5,512.22 and 901.50 is: 1,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.84 : 5,512.22 = 901.50 : x
  2. Step 2: Convert to fraction form
    3,674.84/5,512.22 = 901.50/x
  3. Step 3: Cross multiply
    3,674.84x = 5,512.22 × 901.50
  4. Step 4: Simplify right side
    3,674.84x = 4,969,244.53
  5. Step 5: Solve for x
    x = 4,969,244.53/3,674.84
  6. Step 6: Final answer
    x = 1,352.24

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,675.84, 5,513.72 and 902.50
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.